On Mon, Jun 04, 2001 at 07:12:02PM -0400, Todd Vierling wrote:
> : Well, for swap, you'd obviously want to use a random key, at very least.
>
> Which isn't really relevant to whether the implementation is at the block
> device level or swap level, of course. Both could do this.
Well, it depends on how many keys you want to use. If you want to use
a different random key for every swap-backed object/anon (which could
help defeat cryptanalysis), it would be more difficult to implement this
in a chiper block driver.
--
-- Jason R. Thorpe <thorpej@zembu.com>